He was drugged by Moonstone and sent away. That was during Osborn's "Order 66" moment when he removed the people he didn't want (Songbird, Penance, Radioactive Man, and Swordsman). Bullseye, Moonstone, and Venom were brought over to the Avengers. They now go by "Hawkeye," "Ms. Marvel," and "Spider-Man."

The current roster is:

ScourgeMr. XHeadsman (he might not be after the last issue, though)Ant-Man (not Hank Pyn. Different guy)PaladinGhost (my personal favorite)